LDCM Dispersion Compensation Module

Other than fiber link attenuation, dispersion is another major factor which limits the transmission distance of 1550nm band of optical fiber system, particularly for long haul transmissions. Lightem LDCM series dispersion compensation fiber module, is negative dispersion compensation based on optical fiber technology, can effectively compensate for G.652 standard single-mode fiber transmission band of 1525 ~ 1565nm dispersion and dispersion slope characteristic.

 

  • Suitable for standard single mode optical fiber G.652, 1525~1565nm transmission channel
  • Excellent dispersion compensation feature can eliminate the influence to system’s index, because of residual dispersion
  • G.652 100% C band dispersion compensation fiber
  • Dispersion compensation value range is 10~120Km optional
  • Low insertion loss
  • Low polarization mode dispersion
  • Excellent performance price ratio
  • G.652 standard single mode fiber, 1525 ~ 1565nm wavelength range and chromatic dispersion slope compensation
  • CATV long trunk
  • Long distance optical fiber link, satellite, microwave
  Unit Min Typ Max Ramark
Optical parameters   1525   1565  
Operating wavelength (nm) 30    
Pass power (dBm)   20  
Effective area (m2)   1.4¡Ñ10-9    
Nonlinearity (n2/Aeff) +6    
SBS Threshold (dBm)      
Optical connector     SC/APC, FC/APC    
Return loss (dB)   -45  
     

10

  C10
    20   C20
    30   C30
    40  

C40

    50   C50
Compensated optical fiber length   60   C60
    70   C70
      80   C80
      90 C90
  100 C100
      110   C110
      120   C120
      1.2 2.1 C10
      1.8 2.7 C20
      2.5 3.4 C30
      3.2 4.1

C40

      3.9 4.8 C50
optical fiber insertion loss
( 1525~1565nm )
    4.5 5.5 C60
      5.3 6.2 C70
      6.0 6.9 C80
      6.7 7.7 C90
      7.4 8.4 C100
      8.1 9.1 C110
      8.8 9.8 C120
Residual dispersion slope (nm-1) 0.00299 0.00360 0.00421  
Polarization dependence loss (dB)   0.1    
Operating Temperature (ºC) -5   +70  
Storage Temperature (ºC) -40   +85  
Operating humidity (%) 0   85  
Storage humidity (%) 0   85  
Dimension (mm)   483x279x44    
  Wavelength Unit Min Typ Max Ramark
Dispersion Value     -159   -145 C10
      -315 -293 C20
      -472   -440 C30
      -629   -588

C40

      -786 -735 C50
  1525nm (ps/nm) -942 -883 C60
      -1097   -1033 C70
      -1251 -1183 C80
      -1406   -1333 C90
      -1560   -1482 C100
      -1714   -1632 C110
      -1868   -1782 C120
      -170 -165 -518 C10
      337 -332 -319 C20
      -515 -498 -485 C30
      -673 -664 -640

C40

      860 -830 -810 C50
1545nm (ps/nm) -1009 -996 -960 C60
      -1205 -1160 -1135 C70
      -1340 -1128 -1280 C80
      -1545 –1494 -1455 C90
      -1671 -1660 -1611 C100
      -1895 -1826 -1795 C110
      -2001 -1990 -1937 C120
      -184   -168 C10
      -364   -340 C20
      -546   -511 C30
      -727   -682

C40

      -909   -853 C50
  1565nm (ps/nm) -1090   -1024 C60
      -1269   -1198 C70
      -1448   -1371 C80
      -1627   -1545 C90
      -1805   -1718 C100
      -1984   -1892 C110
      -2162   -2066 C120
        1.2 2.1 C10
        1.8 2.7 C20
        2.5 3.4 C30
        3.2 4.1

C40

        3.9 4.8 C50
Optical fiber insertion loss
( 1525~1565nm )
  (dB)   4.5 5.5 C60
        5.3 6.2 C70
        6.0 6.9 C80
        6.7 7.7 C90
        7.4 8.4 C100
        8.1 9.1 C110
        8.8 9.8 C120
          0.5 C10
          0.6 C20
          0.6 C30
          0.6

C40

          0.7 C50
wavelength dependent loss
( 1530nm~1565nm )
  (dB)     0.7 C60
          0.8 C70
          0.8 C80
          0.8 C90
          0.8 C100
          0.9 C110
          0.9 C120
        0.1 0.3 C10
        0.2 0.4 C20
        0.2 0.4 C30
        0.2 0.5

C40

        0.2 0.5 C50
Polarization Mode Dispersion
(PMD)
  (ps)   0.2 0.6 C60
        0.3 0.6 C70
        0.3 0.7 C80
        0.3 0.7 C90
        0.3 0.8 C100
        0.3 0.8 C110
        0.3 0.8 C120
      0.85 1.0 1.2 C10
      1.7 2.0 2.4 C20
      2.5 3.0 3.1 C30
      3.5 4.1 4.8

C40

      4.4 5.1 6.0 C50
      5.2 6.1 7.2 C60
Dispersion Optical Fiber Length   (km) 6.1 7.1 8.4 C70
      7.0 8.1 9.6 C80
      7.8 9.2 10.6 C90
      8.5 10.2 11.5 C100
      9.3 11.3 12.7 C110
      10.2 12.3 13.8 C120
P/N Compensation distance Dispersion typical value Polarization mode Insertion loss (dB)
    (1545nm) (ps/nm)
dispersion (ps)
 
LDCM-C10 10 -165 0.1 1.2
LDCM-C20 20 -332 0.2 1.8
LDCM-C30 30 -498 0.2 1.8
LDCM-C40 40 -664 0.2 3.2
LDCM-C50 50 -830 0.2 3.9
LDCM-C60 60 -996 0.2 4.5
LDCM-C70 70 -1160 0.2 5.3
LDCM-C80 80 -1328 0.3 6.0
LDCM-C90 90 -1494 0.3 6.7
LDCM-C100 100 -1660 0.3 7.4
LDCM-C110 110 -1826 0.3 8.1
LDCM-C120 120 -1990 0.3 8.8